Answer & Solution
Answer: Option A
Solution:
Polymorphism in PHP is achieved through method overriding, where a child class can provide its own implementation of a method defined in its parent class.
Q
How is polymorphism achieved in PHP?
Related Questions on Average
What is encapsulation in PHP?
A). Hiding data implementation details
B). Exposing data publicly
C). Implementing interfaces
D). Inheriting properties
In PHP, what is the purpose of the final keyword?
A). To mark a method as deprecated
B). To prevent a class from being inherited
C). To specify a constant value
D). To define a global variable
Which of the following statements is true about polymorphism?
A). It allows a class to inherit from multiple classes
B). It allows a class to have multiple constructors
C). It allows a method to have multiple implementations
D). It allows a class to override parent class methods
What does the protected access modifier mean in PHP?
A). Access to all
B). Access to parent class
C). Access to subclass
D). Restricted access
What is the default access modifier in PHP?
A). public
B). protected
C). private
D). No default modifier
Which access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access
In PHP, what is the purpose of the abstract keyword?
A). To specify a class as final
B). To specify a class as abstract
C). To prevent a class from being instantiated
D). To mark a method as deprecated
What keyword is used in PHP to implement inheritance?
A). extends
B). implements
C). inherits
D). inherits_from
What is the benefit of using polymorphism in PHP?
A). Increased complexity
B). Improved readability
C). Decreased flexibility
D). Increased maintainability
What is the main purpose of encapsulation?
A). To make classes more readable
B). To hide implementation details
C). To increase code complexity
D). To prevent inheritance